CVE-2025-53805
High
Description
Out-of-bounds read in Windows Internet Information Services allows an unauthorized attacker to deny service over a network.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Microsoft Windows
PublishedSep 9, 2025
First seenSep 9, 2025
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- microsoft windows_11_22h210.0.22621.5909 or later
- microsoft windows_11_23h210.0.22631.5909 or later
- microsoft windows_11_24h210.0.26100.6508 or later
- microsoft windows_server_202210.0.20348.4106 or later
- microsoft windows_server_2022_23h210.0.25398.1849 or later
- microsoft windows_server_202510.0.26100.6508 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_11_22h2 | v < 10.0.22621.5909 | 10.0.22621.5909 |
| microsoft windows_11_23h2 | v < 10.0.22631.5909 | 10.0.22631.5909 |
| microsoft windows_11_24h2 | v < 10.0.26100.6508 | 10.0.26100.6508 |
| microsoft windows_server_2022 | v < 10.0.20348.4106 | 10.0.20348.4106 |
| microsoft windows_server_2022_23h2 | v < 10.0.25398.1849 | 10.0.25398.1849 |
| microsoft windows_server_2025 | v < 10.0.26100.6508 | 10.0.26100.6508 |
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